Lawn mower



FIG. 1 is a front view of a lawn mower showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a front, right perspective view thereof.

The portions of the drawings illustrated in broken lines are directed to the environment and form no part of the claimed design. 

CLAIM The ornamental design for a lawn mower, as shown and described. 